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C

onstruction of National Grid’s new

T-pylon has begun at the company’s

training academy. The building of the

training line of pylons will be the first opportu-

nity to see the new design in the landscape.

The T-pylon was the winner of an interna-

tional design competition to look for a 21st cen-

tury design to carry high voltage overhead lines.

The winning design from Bystrup, the Danish

architects and engineering company, is 35 me-

tres high – up to one third lower than the conventional

steel lattice pylon.

A span of six of the new T-pylons will be built at the

Eakring training academy in Nottinghamshire. The dif-

ferent pylons all have an individual function.

• The standard suspension pylon that is designed to

carry the cables in a straight line. Two suspension

pylons will be built at Eakring.

• A D30 pylon which can allow for the greater pressure

and weight of turning the cables at an angle of up to

30 degrees.

• An F10 flying angle suspension pylon which can allow

a turn of up to 10 degrees – the first time such a pylon

has been used in the UK.

• A pair of terminal diamond pylons which end a line

at a substation or take the cables underground.

• A gantry terminal which is an alternative design of

terminal pylon with the same function as the dia-

mond terminal pylon.

David Wright, Director of Electricity Transmission

Asset Management at National Grid said:

“We’ve been able to answer ‘yes’ to the hundreds

OF questions that need to be

asked before we can

introduce a new type of

pylon. The training line has

enabled us to learn so many

lessons about how to

manufacture and build the

T-pylon. I’m incredibly proud

of the high standard of

engineering that brought us

Intended to be more

visually pleasing and less

intrusive on landscape as

well as more economical

and easier to erect.

National Grid

Reveals The

First T-Pylon

In The UK

Contractors World UK & Ireland Vol 6 No 1

16